A324453 Number of labeled cyclic chord diagrams with n chords such that the minimal chord length equals nine.

1, 122, 10980, 651962, 31844074, 1382524706, 57759507054, 2408367427106, 101604258942813, 4373090645047650, 193104747980308379, 8776137990134208386, 411230178369151616856, 19887402814123893337150, 993118621992840412774504, 51217036176798656934165346

Offset: 9

Author

Alois P. Heinz, Feb 28 2019

Keywords

• nonn

Links

• Alois P. Heinz, Table of n, a(n) for n = 9..30

Crossrefs

Column k=9 of A324429.

Cf. A324435, A324436.

Formula

a(n) = A324435(n) - A324436(n).